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Finding the Fourth Proportional to 572,073.84, 858,238.34 and 187,839.81

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Solution

The fourth proportional to 572,073.84, 858,238.34 and 187,839.81 is: 281,801.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,073.84 : 858,238.34 = 187,839.81 : x
  2. Step 2: Convert to fraction form
    572,073.84/858,238.34 = 187,839.81/x
  3. Step 3: Cross multiply
    572,073.84x = 858,238.34 × 187,839.81
  4. Step 4: Simplify right side
    572,073.84x = 161,211,325,781.12
  5. Step 5: Solve for x
    x = 161,211,325,781.12/572,073.84
  6. Step 6: Final answer
    x = 281,801.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.